I have a '99 F-150 4x4. I purchased S918A as replacement for the 829A.
The 918 is 9.75 ring with 3.55 ratio. The 918 is 9.75 ring with 3.55 gear ratio. The inside looks different. I can't tell if it's part of traction control or maybe overdrive.
The 918 is 9.75 ring with 3.55 ratio. The 918 is 9.75 ring with 3.55 gear ratio. The inside looks different. I can't tell if it's part of traction control or maybe overdrive.